Finite Group Databasebeta
Cayley diagram

#135297

order512
nilpotency class4
isoclinismisoclinic class of #124940
automorphism?
homologyAbelianization (H1) = C22×C4 · Schur multiplier (H2) = C22×C4

Aliases

No aliases for this group.

Subgroups

subgroupG/H
center, socleC22#1519
commutatorC22×C8C22×C4
Frattini, cosocleC22×M16C23
prime radicalC22×#41D4
LCSG ▷ C22×C8 ▷ C2×C4 ▷ C2 ▷ C1
UCSC1 ◁ C22 ◁ C22×C4 ◁ C22×#131 ◁ G
LECSG ▷ C22×M16 ▷ C2×C4 ▷ C2 ▷ C1

534 conjugacy classes of subgroups; only the 92 normal subgroups are shown.

normal subgroups only

This group has 534 conjugacy classes of subgroups — too many to draw. Only its 92 normal subgroups are shown.

Dotted edges: containments with no intermediate normal subgroup — omitted non-normal subgroups may lie between.

Full subgroup data →

Presentation

minimal degreeμ(G) = 40
transitive degreeμt(G) = 128

A minimal faithful permutation representation — 3 generators on 40 points:

(1,2)(3,6)(4,5)(7,8)(9,10)(11,21,23,16)(12,26,28,17)(13,20)(14,30)(15,18)(19,29,34,27)(22,31)(24,37,25,33)(32,39)(35,40)(36,38);(2,5)(6,8)(9,11,15,23)(10,16,18,21)(12,22,28,40)(13,24,14,25)(17,31,26,35)(19,32,34,36)(20,33,30,37)(27,38,29,39);(1,3,4,7)(2,6,5,8)(10,17,18,26)(12,27)(13,14)(16,31,21,35)(19,20,34,30)(22,38)(24,25)(28,29)(32,33,36,37)(39,40)

Polycyclic presentation:

2^9|a^2=f,b^2=i,c^2=d,e^2=h,g^2=i,h^2=i,b^a=bd,c^a=ce,d^a=di,e^a=eg,h^a=hi,f^b=fi,e^c=eh,f^c=fgh,g^c=gi,h^c=hi,f^e=fi

Conjugacy classes & character table

56 conjugacy classes — view the full character table.

GAP

Construct this group in GAP via the SmallGroups library:

gap> SmallGroup(512, 42493);